Saburo (Sgt. Frog) as Keroro Gunsou - All Fictional Characters Sorted by Media Fan Cast | myCast.io
Saburo (Sgt. Frog)
male
Saburo (サブロー , Saburō), also known as 623 (Mutsumi, 623) or Mutsumi Hojo (北城睦実, Hōjō Mutsumi) in the manga is a main character in the Sgt. Frog series.
